//
//  main.cpp
//  hw4_4
//
//  Created by baili on 2024/5/18.
//

#include <iostream>

int main(int argc, const char * argv[]) {
    // insert code here...
    std::cout << "Hello, World!\n";
    int n=1;
    int s = 1020/2 -2 ;
    while (s>0) {
        n++;
        s = s/2-2;
    }
    std::cout << n << " 天卖完西瓜\n";
    return 0;
}
